From 7c15bc58501c64af4b217dab3fd774b2f50211f6 Mon Sep 17 00:00:00 2001
From: Krzysztof Kowalczyk <kkowalczyk@gmail.com>
Date: Mon, 26 Feb 2018 01:14:35 -0800
Subject: [PATCH] remove rel='footnote' which is not valid in html5

---
 html/renderer.go |  2 +-
 inline_test.go   | 26 +++++++++++++-------------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/html/renderer.go b/html/renderer.go
index a7e9d71..64c1ec5 100644
--- a/html/renderer.go
+++ b/html/renderer.go
@@ -323,7 +323,7 @@ func (r *Renderer) outTag(w io.Writer, name string, attrs []string) {
 func footnoteRef(prefix string, node *ast.Link) string {
 	urlFrag := prefix + string(slugify(node.Destination))
 	nStr := strconv.Itoa(node.NoteID)
-	anchor := `<a rel="footnote" href="#fn:` + urlFrag + `">` + nStr + `</a>`
+	anchor := `<a href="#fn:` + urlFrag + `">` + nStr + `</a>`
 	return `<sup class="footnote-ref" id="fnref:` + urlFrag + `">` + anchor + `</sup>`
 }
 
diff --git a/inline_test.go b/inline_test.go
index b79e218..1886152 100644
--- a/inline_test.go
+++ b/inline_test.go
@@ -739,7 +739,7 @@ func TestAutoLink(t *testing.T) {
 
 var footnoteTests = []string{
 	"testing footnotes.[^a]\n\n[^a]: This is the note\n",
-	`<p>testing footnotes.<sup class="footnote-ref" id="fnref:a"><a rel="footnote" href="#fn:a">1</a></sup></p>
+	`<p>testing footnotes.<sup class="footnote-ref" id="fnref:a"><a href="#fn:a">1</a></sup></p>
 
 <div class="footnotes">
 
@@ -764,7 +764,7 @@ var footnoteTests = []string{
 
 No longer in the footnote
 `,
-	`<p>testing long<sup class="footnote-ref" id="fnref:b"><a rel="footnote" href="#fn:b">1</a></sup> notes.</p>
+	`<p>testing long<sup class="footnote-ref" id="fnref:b"><a href="#fn:b">1</a></sup> notes.</p>
 
 <p>No longer in the footnote</p>
 
@@ -801,7 +801,7 @@ what happens here
 [note]: /link/c
 
 `,
-	`<p>testing<sup class="footnote-ref" id="fnref:c"><a rel="footnote" href="#fn:c">1</a></sup> multiple<sup class="footnote-ref" id="fnref:d"><a rel="footnote" href="#fn:d">2</a></sup> notes.</p>
+	`<p>testing<sup class="footnote-ref" id="fnref:c"><a href="#fn:c">1</a></sup> multiple<sup class="footnote-ref" id="fnref:d"><a href="#fn:d">2</a></sup> notes.</p>
 
 <p>omg</p>
 
@@ -821,7 +821,7 @@ what happens here
 `,
 
 	"testing inline^[this is the note] notes.\n",
-	`<p>testing inline<sup class="footnote-ref" id="fnref:this-is-the-note"><a rel="footnote" href="#fn:this-is-the-note">1</a></sup> notes.</p>
+	`<p>testing inline<sup class="footnote-ref" id="fnref:this-is-the-note"><a href="#fn:this-is-the-note">1</a></sup> notes.</p>
 
 <div class="footnotes">
 
@@ -835,7 +835,7 @@ what happens here
 `,
 
 	"testing multiple[^1] types^[inline note] of notes[^2]\n\n[^2]: the second deferred note\n[^1]: the first deferred note\n\n\twhich happens to be a block\n",
-	`<p>testing multiple<sup class="footnote-ref" id="fnref:1"><a rel="footnote" href="#fn:1">1</a></sup> types<sup class="footnote-ref" id="fnref:inline-note"><a rel="footnote" href="#fn:inline-note">2</a></sup> of notes<sup class="footnote-ref" id="fnref:2"><a rel="footnote" href="#fn:2">3</a></sup></p>
+	`<p>testing multiple<sup class="footnote-ref" id="fnref:1"><a href="#fn:1">1</a></sup> types<sup class="footnote-ref" id="fnref:inline-note"><a href="#fn:inline-note">2</a></sup> of notes<sup class="footnote-ref" id="fnref:2"><a href="#fn:2">3</a></sup></p>
 
 <div class="footnotes">
 
@@ -860,7 +860,7 @@ what happens here
 
     may be multiple paragraphs.
 `,
-	`<p>This is a footnote<sup class="footnote-ref" id="fnref:1"><a rel="footnote" href="#fn:1">1</a></sup><sup class="footnote-ref" id="fnref:and-this-is-an-i"><a rel="footnote" href="#fn:and-this-is-an-i">2</a></sup></p>
+	`<p>This is a footnote<sup class="footnote-ref" id="fnref:1"><a href="#fn:1">1</a></sup><sup class="footnote-ref" id="fnref:and-this-is-an-i"><a href="#fn:and-this-is-an-i">2</a></sup></p>
 
 <div class="footnotes">
 
@@ -878,13 +878,13 @@ what happens here
 `,
 
 	"empty footnote[^]\n\n[^]: fn text",
-	"<p>empty footnote<sup class=\"footnote-ref\" id=\"fnref:\"><a rel=\"footnote\" href=\"#fn:\">1</a></sup></p>\n\n<div class=\"footnotes\">\n\n<hr />\n\n<ol>\n<li id=\"fn:\">fn text</li>\n</ol>\n\n</div>\n",
+	"<p>empty footnote<sup class=\"footnote-ref\" id=\"fnref:\"><a href=\"#fn:\">1</a></sup></p>\n\n<div class=\"footnotes\">\n\n<hr />\n\n<ol>\n<li id=\"fn:\">fn text</li>\n</ol>\n\n</div>\n",
 
 	"Some text.[^note1]\n\n[^note1]: fn1",
-	"<p>Some text.<sup class=\"footnote-ref\" id=\"fnref:note1\"><a rel=\"footnote\" href=\"#fn:note1\">1</a></sup></p>\n\n<div class=\"footnotes\">\n\n<hr />\n\n<ol>\n<li id=\"fn:note1\">fn1</li>\n</ol>\n\n</div>\n",
+	"<p>Some text.<sup class=\"footnote-ref\" id=\"fnref:note1\"><a href=\"#fn:note1\">1</a></sup></p>\n\n<div class=\"footnotes\">\n\n<hr />\n\n<ol>\n<li id=\"fn:note1\">fn1</li>\n</ol>\n\n</div>\n",
 
 	"Some text.[^note1][^note2]\n\n[^note1]: fn1\n[^note2]: fn2\n",
-	"<p>Some text.<sup class=\"footnote-ref\" id=\"fnref:note1\"><a rel=\"footnote\" href=\"#fn:note1\">1</a></sup><sup class=\"footnote-ref\" id=\"fnref:note2\"><a rel=\"footnote\" href=\"#fn:note2\">2</a></sup></p>\n\n<div class=\"footnotes\">\n\n<hr />\n\n<ol>\n<li id=\"fn:note1\">fn1</li>\n\n<li id=\"fn:note2\">fn2</li>\n</ol>\n\n</div>\n",
+	"<p>Some text.<sup class=\"footnote-ref\" id=\"fnref:note1\"><a href=\"#fn:note1\">1</a></sup><sup class=\"footnote-ref\" id=\"fnref:note2\"><a href=\"#fn:note2\">2</a></sup></p>\n\n<div class=\"footnotes\">\n\n<hr />\n\n<ol>\n<li id=\"fn:note1\">fn1</li>\n\n<li id=\"fn:note2\">fn2</li>\n</ol>\n\n</div>\n",
 
 	`Bla bla [^1] [WWW][w3]
 
@@ -892,7 +892,7 @@ what happens here
 
 [w3]: http://www.w3.org/
 `,
-	`<p>Bla bla <sup class="footnote-ref" id="fnref:1"><a rel="footnote" href="#fn:1">1</a></sup> <a href="http://www.w3.org/">WWW</a></p>
+	`<p>Bla bla <sup class="footnote-ref" id="fnref:1"><a href="#fn:1">1</a></sup> <a href="http://www.w3.org/">WWW</a></p>
 
 <div class="footnotes">
 
@@ -909,7 +909,7 @@ what happens here
 
 [^fn1]: Fine print
 `,
-	`<p>This is exciting!<sup class="footnote-ref" id="fnref:fn1"><a rel="footnote" href="#fn:fn1">1</a></sup></p>
+	`<p>This is exciting!<sup class="footnote-ref" id="fnref:fn1"><a href="#fn:fn1">1</a></sup></p>
 
 <div class="footnotes">
 
@@ -973,14 +973,14 @@ func TestNestedFootnotes(t *testing.T) {
 
 [^fn2]:
   Obelisk`,
-		`<p>Paragraph.<sup class="footnote-ref" id="fnref:fn1"><a rel="footnote" href="#fn:fn1">1</a></sup></p>
+		`<p>Paragraph.<sup class="footnote-ref" id="fnref:fn1"><a href="#fn:fn1">1</a></sup></p>
 
 <div class="footnotes">
 
 <hr />
 
 <ol>
-<li id="fn:fn1">Asterisk<sup class="footnote-ref" id="fnref:fn2"><a rel="footnote" href="#fn:fn2">2</a></sup></li>
+<li id="fn:fn1">Asterisk<sup class="footnote-ref" id="fnref:fn2"><a href="#fn:fn2">2</a></sup></li>
 
 <li id="fn:fn2">Obelisk</li>
 </ol>